clang-tools-extra/clang-tidy/android/CloexecEpollCreateCheck.cpp

   1 //===--- CloexecEpollCreateCheck.cpp - clang-tidy--------------------------===//
   2 //
   3 // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
   4 // See https://llvm.org/LICENSE.txt for license information.
   5 // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
   6 //
   7 //===----------------------------------------------------------------------===//
   8
   9 #include "CloexecEpollCreateCheck.h"
  10 #include "clang/AST/ASTContext.h"
  11 #include "clang/ASTMatchers/ASTMatchFinder.h"
  12
  13 using namespace clang::ast_matchers;
  14
  15 namespace clang::tidy::android {
  16
  17 void CloexecEpollCreateCheck::registerMatchers(MatchFinder *Finder) {
  18   registerMatchersImpl(
  19       Finder, functionDecl(returns(isInteger()), hasName("epoll_create"),
  20                            hasParameter(0, hasType(isInteger()))));
  21 }
  22
  23 void CloexecEpollCreateCheck::check(const MatchFinder::MatchResult &Result) {
  24   replaceFunc(Result,
  25               "prefer epoll_create() to epoll_create1() "
  26               "because epoll_create1() allows "
  27               "EPOLL_CLOEXEC",
  28               "epoll_create1(EPOLL_CLOEXEC)");
  29 }
  30
  31 } // namespace clang::tidy::android